Say what you see in previous term, reporting each digit encountered followed by frequency.

A121808

Say what you see in previous term, reporting each digit encountered followed by frequency.

Terms

    a(0) =1a(1) =11a(2) =12a(3) =1121a(4) =1321a(5) =122131a(6) =132231a(7) =122232a(8) =112431a(9) =13213141a(10) =14213241a(11) =13223142a(12) =12233241a(13) =12233241a(14) =12233241a(15) =12233241a(16) =12233241a(17) =12233241a(18) =12233241a(19) =12233241a(20) =12233241a(21) =12233241

External references